Trigonox K-LC

Product Line Organic peroxides

Trigonox® K-LC can be used as curing agent for unsaturated polyester resins. Next to that it can also be used for various polymerization reactions; for the copolymerization of styrene and butadiene for the polymerization of acrylonitrile, acrylic esters, vinyl chloride, styrene, vinyl toluene, isoprene, diallyl phthalate and unsaturated polyesters.

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Trigonox K-LC (Organic peroxides)

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Trigonox K-LC (Organic peroxides)

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  • Brand

    Trigonox®
  • Chemical family

    Organic peroxide
  • CAS number

    80-15-9
  • Physical form

    Liquid
  • Regional availability

    Africa, Asia, Asia Pacific, China, Europe, Global, India, Latin America, Middle East, North America, Oceania
  • Molecular Weight

    152.2
  • Chemical name

    Cumyl hydroperoxide, 92% in solvent mixture
  • Molecular drawing

    Organic peroxide
  • Applications

    Trigonox® K-LC can be used as curing agent for unsaturated polyester resins. Next to that it can also be used for various polymerization reactions; for the copolymerization of styrene and butadiene for the polymerization of acrylonitrile, acrylic esters, vinyl chloride, styrene, vinyl toluene, isoprene, diallyl phthalate and unsaturated polyesters. Without the addition of an accelerator the polymerization starts only above the activation temperature of 90°C. For the cure at lower temperature Trigonox K-LC must be accelerated by for example cobalt. Together with cobalt accelerators the gel time at room temperature is very long and is therefore particularly suitable for those applications where a long production time is required, for instance in the production of large parts and in filament winding. Sufficiently fast gel and cure times are only obtained above a processing temperature of 35°C.

Market Segments

Thermoset composites

Detailed description

Trigonox® K-LC is the low cumene version of Trigonox® K-90. It therefore does not carry a carcinogen labelling. Just like Trigonox® K-90 it may be used as an initiator for the room temperature cure of promoted unsaturated polyester and vinyl ester resins, and elevated temperature cure of non-promoted resins. Especially developed for curing vinylester resins in combination with a cobalt accelerator. The reactivity of Trigonox® K-LC has proven to be the same as for Trigonox® K-90. Trigonox® K-LC can also be a substitute for Trigonox® K-80 but in that case of course the intake levels need to be adjusted pro rato.

Applications

  • Continuous Laminating,
  • Vinylesters
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